ed25519/test.c
2013-01-22 10:58:57 +01:00

61 lines
1.7 KiB
C

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#define ED25519_DLL
#include "src/ed25519.h"
const char message[] = "Hello, world!";
int main(int argc, char *argv[]) {
unsigned char sign_key[64], verify_key[32], seed[32];
unsigned char signature[64];
clock_t start;
clock_t end;
int i;
/* create a random seed, and a keypair out of that seed */
ed25519_create_seed(seed);
ed25519_create_keypair(verify_key, sign_key, seed);
/* create signature on the message with the sign key */
ed25519_sign(signature, message, strlen(message), sign_key);
/* verify the signature */
if (ed25519_verify(signature, message, strlen(message), verify_key)) {
printf("invalid signature\n");
} else {
printf("valid signature\n");
}
/* make a slight adjustment and verify again */
signature[44] ^= 0x10;
if (ed25519_verify(signature, message, strlen(message), verify_key)) {
printf("correctly detected signature change\n");
} else {
printf("incorrectly accepted signature change\n");
}
/* test performance */
printf("testing sign performance: ");
start = clock();
for (i = 0; i < 10000; ++i) {
ed25519_sign(signature, message, strlen(message), sign_key);
}
end = clock();
printf("%fus per signature\n", ((double) ((end - start) * 1000)) / CLOCKS_PER_SEC / i * 1000);
printf("testing verify performance: ");
start = clock();
for (i = 0; i < 10000; ++i) {
ed25519_verify(signature, message, strlen(message), verify_key);
}
end = clock();
printf("%fus per signature\n", ((double) ((end - start) * 1000)) / CLOCKS_PER_SEC / i * 1000);
return 0;
}